Home / 262,212.10-393,613.80-173,638.60

Finding the Fourth Proportional to 262,212.10, 393,613.80 and 173,638.60

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Solution

The fourth proportional to 262,212.10, 393,613.80 and 173,638.60 is: 260,653.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,212.10 : 393,613.80 = 173,638.60 : x
  2. Step 2: Convert to fraction form
    262,212.10/393,613.80 = 173,638.60/x
  3. Step 3: Cross multiply
    262,212.10x = 393,613.80 × 173,638.60
  4. Step 4: Simplify right side
    262,212.10x = 68,346,549,172.68
  5. Step 5: Solve for x
    x = 68,346,549,172.68/262,212.10
  6. Step 6: Final answer
    x = 260,653.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.